Services for the study of the adaptation needs to the new European directive for Zaragoza’s wastewater treatment systems, assessment of alternatives and development of final proposals

Summary

The tender concerns services for studying how Zaragoza’s wastewater treatment systems need to be adapted to a new European directive, assessing alternatives and developing final proposals. The bidder must be prepared to show annual turnover information and references for similar work or services. Exact thresholds and proof requirements were not stated in the machine-readable notice and must be checked in the tender documents.